Sash-fastener



(Nd Model.) I

1 A. ORIGHTON.

SASH PASTENER."

Patented May 28, 1895.

I mmm WITNESSES: I

ATTORNEY NITED STATES PATENT OFFICE.

DAVID ARTHUR CRIOHTON, LOS ANGELES, CALIFORNIA.

SASH-FASTEN ER.

fiPEGIFIGATI ON forming part of Letters Patent No. 540,149, dated May28, 1895. Application filed December 29, 1894- Serial No. 533,325- (Nomodel.)

To all whom it may concern.-

Be it known that 1, DAVID ARTHUR CRIOH- TON, a subject of the Queen ofGreat Britain and Ireland, and a resident of Los Angeles, in the countyof Los Angeles and State of California, have invented certain new anduseful Improvementsin Looks or Fastenings for Window-Sashes and SlidingDoors, the

same being applicable to other purposes, of which the following is afull, clear, and exact description or specification, reference being hadto the accompanying sheet of drawings, forming a part hereof.

My present invention relates to an appa ratus for fastening the slidingsashes of windows, or sliding doors, or other analogous slidingappliances.

The object of the invention is to provide an improved sash lock sure,positive and effective in action, and comprising a minimum number ofpartsto accomplish the ends in view.

The invention consists in certain novel features of construction and incombinations and arrangements of parts more fully and particularlypointed out and described hereinafter.

Referring to the accompanying drawings, Figure l is an inside elevationof a portion of the window and window-casing, showing my improvedlocking apparatus applied thereto. Fig. 2 is a side elevation of thesame, showing the window-sashes and glass in section. Fig. 3 is ahorizontal section on the line a a, Figs. 1 and 2. Fig. 4 is a verticalsection on the line b b, Fig. 6, of thecasing and lock shown in itsplace therein, the sliding bolt of the look, also the operatinglever,spring, and ratchet-bar, being shown in elevation. Fig. 5 is a frontelevation of the lock, showing the interior operative parts in dottedlines. Fig. 6 is a section of two of the said locks, drawn full size, inthe relative. positions which they occupy in the upper and lower sashes,also showing the key which passes through the holes in the levers ofboth locks simultaneously. Fig. 7 is a cross-section showing the shapeof that part of the key which enters the holes in the levers of each ofthe locks. Fig. 8 is a front elevation of a portion of the ratchet-barshown in side elevation, Fig. 4.

In Figs. 1, 2 and 3 the upper sash frame is marked A, and thelower sashframe is marked B. The sash frames are of ordinaryconstruction andfitted to slide in the casings O.

The lock for controlling the opening of the upper sash is marked D, andthe lock for controlling the opening of the under sash is marked E. Bothlocks are of the same construction, which construction is shown moreparticularly in Figs. 4, 5 and 6. The lock which controls the upper sashis placed with its movable bolt F, uppermost and the. lock whichcontrols the lower sash is placed with.

its movable bolt G, lowermost.

The look as shown in Figs. 4, 5 and 6 is constructed with one of itsside plates removable and which is held to the body of thelock by thescrews 0, passing through the side plate and entering the correspondingscrew holes in the opposite side plate, after the manner of a commonlook.

In the upper part of the lock casing there is situated a rectangulartransverse way or recess d, open at its outer end and under side, forreceiving the bolt, which is one of the bolts marked respectively F, andG, Fig. 1. In Fig. 4 the bolt is marked F, and its outer end protrudesinto and engages with the adjacent tooth of the ratchet bar H, as shown.

In the lower part of the lock casing shown in Figs. 4 and 5, acylindrical barrel I is situated and carried in the bearings in the twosides of the lock casing. From this barrel there projects upward thelever .I, which onters the recess K, formed in the lower part of thebolt F, and around this barrel there is also fixed a coil of wire springL, the upper part of which enters a notch also in the lower part of thebolt F. This spring L, hasin turn its lower part or tail resting againstthe bottom plate of the lock casing, so that the upper tail of thespring L, at all times forces the bolt F, into the ratchet toothadjacent to it. The entire lock is fixed in the casing by the screws M,as shown.

Through the center of the barrel I, to which the lever J, and the springL, are attached as hereinbefore described, there is formed a circularorifice with a notch or tooth 1 project ing inward from one side of it.The inner end of the key N, Fig. 6, is shaped semi-circularly so as tofit into this orifice, and one edge ofitsrflaasid-ebearsvagainstrthe-said pro-j jectingpieceor notchq-so thatwhe-n thekey N, is turned in one direction, it operates the lever J, soas to withdraw the bolt F, from the ratchet notch in the bar H, whereinit is engaged and thereby unlocks the-lower sash,

thus enabling the sash to be lifted to any desired point. After havingunlocked the lower sash, the turning of the key N, in the oppo. sitedirection then unlocks the upper sash,

thus enabling the upper sash. to be lowered to any required extent.By'allowing. the key"; N, to return to its normal position, the holes I,respectively in the locks of the upper and lower sashes which aresituated in alignment with each other, admits of" the key N,*if desiredto be Withdrawn from the locks-yer it may be allowed to *remain -thereinpermanently;

The ratchet bars H, 'Figs.-4 'and- Sffltted into-the wind'ow sa-shes areformed with-a flange O, projecting from one side thereof, as shown, theobject'of which is to prevent a burglar or other pers'on'from' slidingin, or-in'-' sorting a piece of th'iniron or'otherinstr'u ment, which inlooks of this class as hitherto 1 constructed, can beused to force backthe bolts, thus enabling burglars to open' the windows farther and topass-"through windows. By means of the flange O, such thin piece ofmetalor oth'ermaterial inserted between the sashframe and thewindow-casing, can only be forced-against the lo'wer or upper-sideofi.

the bolt .F, and 'thustheforcing endwiseofthe bolt by such act or"artifice is -renderedimpossible. The ratchetbars-"H may be formedwithout the flange" Og providihg the groove iirthe window casing is"ma'de -sufficiently deep to allow the' bar" H, to lie therein farenough away from the casing so as to enable'the bolt F, to passthereinto, in the po sition corresponding to that shown in-Fig.4;

Although I have, on the annexed 'sheet of drawings, shown my sashor'slidingdoor look ing apparatusas applied forlocking an upper andunder sash by means-of the said locks being fixed in the window casingsand-the ratchet bars fix'edin the sash frames, yetrI desire it to=be-understood that the relative positions of the locks and the ratchetbars" maybereversed that is to say,;the-locks may each be placedrespectively in the upper and under sash frames and the ratchet bars maybe respectively fixed in the window casings, and in this case the teethin the ratchet bars are by preference made after the manner of anordinary square tooth 'rack,'while the sliding bolts of the locks arealso made with their outer en'ds'so as to fit into the space betweensaid teeth. When the locks are placed in the sash frames and the ratchetbars in the window casings,it follows that-the locks must be operatedindependently of each other, in place'of' simultaneously as hereinbcforedescribed when they are placed in alignment in the window casings. 1 Itis also to be-understood that-in place of apply ing the two locks as'her'einbefore described for locking the two sashes of a-'wind'o'w or thetwo halves of a double sli-dingdoor, one of such locks, with itscorresponding ratchet bar and operating key,'may be'used for lockingsuch single sash or door.

Having now described the nature of my said invention-and tl1e mannerofcarrying the sameinto practical-effect, whatl consider new and'original,and therefore claim as theinvention to be secured to me-byLettersPate'nt, isas follows-z The lock comprising a rack, incombination with a case having the transverseway near one end thereofopen at the outer'end andinnerside, the reciprocating bolt in said way,th e rotary'barrel journal'ed in the opposite end-oh thecaseuto rock ina plane parallel with the throwof' the bolt and provided-with to an armextending longitudinally of the case and loosely'engagingthe bolt tothrow the sa-me,the interior of thebarrel formed to receive an operatingkey, and a spring-in =the caseyieldin'gly forcing the bolt outwardly,substantially as described.

, In testimony whereof I have hereunto set my signaturein presence oftwo subscribing witnesses;

DAVID ARTHUR (BRIGHTON.

i lVitnesses'z:

' GEO. A. HOWARD, J r.,*

E. M. :DAYTON:

